EP 0911680 B1 20150909 - ALIGNING AGENT FOR LIQUID-CRYSTAL CELLS
Title (en)
ALIGNING AGENT FOR LIQUID-CRYSTAL CELLS
Title (de)
AUSRICHTUNGSMITTEL FÜR FLÜSSIGKRISTALLZELLEN
Title (fr)
AGENT D'ALIGNEMENT POUR CELLULES DE CRISTAUX LIQUIDES
Publication
Application
Priority
- JP 9702397 W 19970710
- JP 18182996 A 19960711
Abstract (en)
[origin: EP0911680A1] An alignment treating agent for a liquid crystal cell, which is composed mainly of a polyimide and/or a polyimide precursor made by a reaction for polymerization of a tetracarboxylic acid derivative component with a diamine component, wherein at least one part of the diamine component is a diamine component of the following formula (1): <CHEM> wherein n is an integer of from 1 to 12, and which gives a tilt angle of at most 2 DEG to nematic liquid crystal.
IPC 8 full level
C08G 73/10 (2006.01); G02F 1/1337 (2006.01)
CPC (source: EP KR US)
C08G 73/105 (2013.01 - EP US); G02F 1/1337 (2013.01 - KR); G02F 1/133723 (2013.01 - EP US); C09K 2323/025 (2020.08 - EP US); C09K 2323/027 (2020.08 - EP US)
Designated contracting state (EPC)
DE FR GB NL
DOCDB simple family (publication)
EP 0911680 A1 19990428; EP 0911680 A4 19990915; EP 0911680 B1 20150909; CN 1121630 C 20030917; CN 1225179 A 19990804; KR 100450698 B1 20041001; KR 20000023559 A 20000425; TW 448336 B 20010801; US 6120702 A 20000919; WO 9802776 A1 19980122
DOCDB simple family (application)
EP 97930752 A 19970710; CN 97196286 A 19970710; JP 9702397 W 19970710; KR 19997000001 A 19990102; TW 86109592 A 19970708; US 14749899 A 19990111